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Tomato flowers - Pest & Disease Free, Well Fed Veggies!

Feeding your plants for continued sassy growth and production makes sense, sure, as they use up soil nutrients.  And we think a healthy plant resists pests and diseases.  That may be true for diseases, but not necessarily so for pests!  They love a healthy plant, just like we do!

Most gardeners think of putting food on or in the ground for their plants, but in some instances, plants actually have more uptake through their leaves!  There is tons more surface, especially if you spray under the leaves as well as wetting them down.  Uptake is faster and more intense.  So foliar feeding is the best!

  • All kinds of teas are great – manure, worm, compost, fish emulsion/kelp mix
  • Epsom Salts for Solanaceae – peppers especially, but also tomatoes, potatoes, tomatillo, eggplant, chayote!  Tablespoon/gallon.

Pest prevention and strong bodies begins when your plant is a baby!  When you put those transplants in, that’s when their care needs to start.  You can apply Powdered Milk, Baking soda and Aspirin together.

  • Powdered milk is a natural germicide and boosts their immune systems.  Use especially on your young bean plants, all your cucurbits – cukes, zuchs, any mildew prone plant.  1/4 Cup/gallon.
  • Baking Soda makes the leaves alkaline and inhibits fungal spores!  Apply every 5 to 10 days, or after significant rains, as the plant grows, because these new plant tissues are not yet protected by your fungicide.  A heaping Tablespoon/gallon, with a 1/2 Teaspoon of a surfactant - insecticidal or dish soap or salad oil, does the job.
  • Salicylic acid, in aspirin, triggers a defense response in tomatoes and other plants as well, and stimulates growth!  One regular strength dissolved/gallon.
  • Hydrogen peroxide (from your drug store) adds Oxygen. Oxygen allows even more uptake of nutrients! It is speculated your plants will then need only a half to a third of other regular fertilizers you use! Your plants will be healthier, stronger, last longer, look great!  Spray it right on the roots when you transplant, and spray the planting hole.  Wet them good.  Katrina Savell says:  Many disease causing organisms, pests, algae, fungus and spores are killed by oxygen, which is why the additional oxygen in H2O2 is so handy in the garden.  Important details

One step earlier, you can start with your seeds, presoaking, presprouting!  From the web:

  • OKRA is one hard seed!!!!   I presoak my okra seed in 1 pint of warm water containing 1 tablespoon of household bleach to pre-soften the seed for 24 hours before planting.  [Some soak them 48 hours!]
  • I would never use bleach in the soaking solution. If you are worried about contamination, try soaking in chamomile tea or 3% hydrogen peroxide instead. If the seed is purchased, I wouldn’t bother.
  • Hydrogen peroxide, both in soak and rinse solutions:  1 oz. of  3% H²O² to 1 pint of water.  Sprouts come up faster.  Some people have reported 3/4″ sprouts in 24 hours.  Last year I soaked my bean seeds in a kelp solution before planting and they sprouted in about 2 days.  [Caution - bean seeds need very little soaking or laying in dampened paper towels.  They decompose quickly.]

You can see the contrasts of thinking.  Find your own way that you enjoy.  And, of course, seeds vary, so you might use one soaking/presprouting technique for one, and something else for another.  See more

Dramm Watering Can - Long Reach, Turnable Rose

To make your work easier, have a watering can that does the job.  A long spout with a rose that turns up so you can get under the leaves is perfect!  These Dramm cans are the best for the price, under $20!  Big accessible opening to easily add ingredients to your mix.  And they come in colors to suit your happiness!  Yes!

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This is your last chance to plant more rounds of winter veggies you love the most, and the littles that grow year round.  Peas are especially heat sensitive, but we Coastie pea lovers can get one more round!  At this time be sure they are mildew resistant varieties!  But it’s really time to think in terms of those summer treats you love too!  Space is an issue now unless you have fields!  Those of us in 10’ X 20’ Community Garden plots need to reserve space and prepare those soils.  I plant some of the smaller border plants, like lettuces, where they will be on the sunny side, then add the bigger plants that need more heat behind them in March.

Plant LETTUCE, beets, brocs, cabbages, cauliflower, celery, chard, kale, kohlrabi, potatoes, radish, spinach, turnips.  Asparagus and artichoke bare-root.  Or put in asparagus from seed in March.

Clean things up.  Prune your trees, remove dead wood in your herbs.  Divide clumps of Society garlic.  On ground that needs more humus, lay down some bagged steer or well aged horse manure, let the rains wash the nutrients down, in about 2 months dig it in.

Continue with your harvesting, sidedress your producing plants, do your snail prevention.  After rains, foliar apply another batch of aspirin – stimulates growth, boosts the immune system, and baking soda and powdered milk to boost their immune system and act as a germicides.  Don’t forget to add a dash of liquid soap to make the mix stick!  Hold off on watering for a few days to let the potion do its job.  Your plants will thrive!

Select your plants Mindfully!  This takes more than a quick trip to the Nursery and buying whatever they have on hand.  But, hey, if that’s all the time you have, then go for it!  If you have the time, do some quick online comparisons at Universities that specialize in Mediterranean climates.  Check out this year’s All America Selections!  Ask at your local nursery why the varieties they have are their choices.

  • What pests or diseases did your plants have last year?  Select for resistance or tolerance.
  • Is that plant heat tolerant, bolt resistant?
  • What is the disease or pest cycle?  Can you plant at another time, just a few weeks later to avoid them?!
  • Is it a long producing pole plant, or a heavy one-time bush producer?
  • How much space will that amazing plant take up versus it’s return?
  • Is that variety better for canning or table eating?
  • Do you want a hybrid, or will you be seed saving and need an heirloom that plants true year to year?  In a community garden, with all kinds of plants close together, few true seeds can be saved.

Start Your Seedlings!  If you have a greenhouse, and it can be a very small humble enclosure, even a row cover setup, start your seedlings now to plant mid to late March!  At home?  Easy!  Use flats, peat pots, six packs,  punctured-for-drainage plastic containers reused from your kitchen.  Sterilized potting soil holds moisture and is easy for tiny roots to penetrate.  Put them in your greenhouse or with grow lights 7 to 10 inches above, on 14 to 16 hours a day.  Put a plant heating pad underneath, a heat cable, or a moisture protected 15/20 watt bulb in a ‘trouble light,’ for warmth, 70 degrees F.  For better germination, spray aspirin on your seeds before planting!  Another great trick is seed soaking and presprouting!

When they are ready, let them sit outdoors in the daytime shade for a week, then in the sun for a week, then all day the 3rd week.  That process is called hardening off.  The beauty of seeds is you can get the very best plants, and varieties your nursery doesn’t carry!

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Foliar plant care is so easy!
Use a
Dramm Can, the Perfect Foliar Machine!

Worm Castings, Compost, Manure Tea, Fish Emulsion/Kelp for FEEDING – All in ONE!

You can easily make this tea!  A handful of castings, a handful to a cup of compost, handful of manure, stir and let them soak overnight in a bucket.  In the morning, swoosh it around in the bucket one more time, let it settle, then pour the top liquid into your watering can, the one with the up turning rose.  Add a Tablespoon Fish Emulsion/Kelp, mix, and drench your plants in the morning!  Yum!

Epsom Salts, Magnesium Sulfate, Your Solanaceaes, Peppers especially, and Roses!

Magnesium is critical for seed germination and the production of chlorophyll, fruit, and nuts. Magnesium helps strengthen cell walls and improves plants’ uptake of nitrogen, phosphorus, and sulfur.  Magnesium deficiency in the soil may be one reason your tomato leaves yellow between the leaf veins late in the season and fruit production slows down.

Sulfur, a key element in plant growth, is critical to production of vitamins, amino acids (therefore protein), and enzymes.  Sulfur is probably the oldest known pesticide in current use. It can be used for disease control (e.g., powdery mildews, rusts, leaf blights, and fruit rots), and pests like mites, psyllids and thrips. Sulfur is nontoxic to mammals, but may irritate skin or especially eyes.  Sulfur has the potential to damage plants in hot (90°F and above), dry weather. It is also incompatible with other pesticides. Do not use sulfur within 20 to 30 days on plants where spray oils have been applied; it reacts with the oils to make a more phytotoxic combination.

Epsom Salts are easy to do!  Buy some Epsom Salts, what you soak your feet in, at the grocery store, mix a tablespoon per gallon, foliar feed!  Foliar feeding is simply sprinkling leaves with your solutions, and works better than applying to the soil!  Get a Dramm 5 liter long snouted watering can that has a turnable sprinkler head.  That long spout comes in handy, reaching well into your plant!  Turn the head so the water shoots up under the leaves then falls back on the tops!  The long arc of the handle gives lots of maneuvering ability!  Feed your plants once when they bloom, and again ten days later. The results, attributed to magnesium in the salts, are larger plants, more flowers, more fruit, thicker walled peppers!  I use this mix on all my Solanaceaes: eggplant, pepper, tomato, tomatillo.  Roses love it too! 

Baking Soda & Nonfat Powdered Milk for PREVENTION!

The bicarbonate of soda makes the leaf surface alkaline and this inhibits the germination of fungal spores. Baking soda prevents and reduces Powdery Mildew, and many other diseases on veggies, roses, and other plants!  It kills PM within minutes.  It can be used on roses every 3 to 4 days, but do your veggie plants every 5 to 10 days, or after significant rains, as the plant grows, because these new plant tissues are not yet protected yet by your fungicide.  Irrigate well 2 days before use; on a sunny day spray off as much of the PM as you can from plants in sunny locations.  A heaping Tablespoon baking soda to a gallon of water, with a 1/2 Teaspoon of a surfactant – insecticidal or dish soap or salad oil, does the job.  It is not effective without the surfactant to spread it and make it stick.  You can add a liquid fertilizer with it if you want.   Cautions:  1)  I have had no trouble using it on my veggies, but it may burn the leaves of some other plants, so try it on a few leaves first.  2)  Don’t apply during hot midday sun that can burn the leaves.  3)  Avoid over use – it is a sodium, salt.  For a definitive discussion of Baking Soda usage and research, see https://attra.ncat.org/attra-pub/bakingsoda.html.   The article is an easy read, nicely summarized, has references, includes cautions and info on commercial preparations.  Best of all is to plant powdery mildew resistant varieties:

  • Cucumber:  Diva
  • Yellow Summer Squash:  Success, Sunray, Sunglo
  • Zucchini:  Ambassador, Wildcat
  • Pumpkin:  18 Karat Gold, Gladiator

Add nonfat powdered milk to your Baking Soda fungicide!  Powdered milk is a natural germicide, boosts your plant’s immune system!  Apply right away on young bean plants, all your cucurbits – cucs, zuchs, any mildew prone plant.  A 1/4 c milk in your gallon of water.  Get under those leaves, early morning so the leaves dry and the habitat is less humid.

Healthy plants and abundant production are so rewarding!  Just take a few minutes to give your plants a boost with these simple treatments!  Whether Dramm, or another can, get yourself a good one!  Make it easy to get up under those leaves!  Otherwise, you are treating only 1/2 your plant!

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Healthy Summer Feeding, Watering, Disease & Pest Prevention!

Feeding.  It’s heating up, your plants are growing fast, they’re hungry and need more water!  Give your leaf crops like lettuce lots of Nitrogen.  Don’t overfeed beans, strawberries or tomatoes or you will get lots of leaf, no crop!  If you do, did, give your plants some seabird guano (bat guano is too hot sometimes).  Fertilizers high in P Phosphorus bring blooms – more blooms = more fruit!  Get it in bulk at Island Seed & Feed.  It’s easy to apply, just sprinkle, rough up your soil surface, water in.  Go lightly with your applications to young plants that could get burned.  When blooming starts, give your plants phosphorus fertilizers once a week, a month, as the package says, as you feel, to keep the blooms coming!  Foliar feed your peppers, solanaceaes – toms, eggplant, and your roses with Epsom Salts!  Only 1 Tablespoon per gallon of water does the job!

Water deeply.  Poke your finger down into the soil to see how deeply your watering has penetrated.  Get one of those gurgler devices to keep the water from blasting a hole in your soil; put the hose under your veggies.  Try to remember to keep moving it.  That’s the main reason I don’t do that myself, I just get carried away with weeding or tending, or harvesting, chatting, and, uh oh, woops, forget, and it’s flood time.  Maybe I’ll carry a pocket sized timer and experiment with the right timing per water flow?  Still, it’s a nuisance to have to keep moving the durn thing.  The advantage of standing there watering is you notice what’s happening in your garden and think on what to do next.  Flooding isn’t good because it drowns your soil organisms, and your plants drown too, not able to get their oxygen quota.  What’s weird is that some wilting plants, like chard, may not be needing water at all!  Some plants just naturally wilt in midday heat.  They are doing a naturely thing, their version of shutting down unneeded systems, and watering them isn’t what they need at all!  Also, flooding kinda compacts your soil as the life is washed down the drain so to speak, natural healthy soil oxygen channels cave in.  You see, it’s the balance you need.  Water underneath rather than overhead to keep from spreading diseases like strawberry leaf spot.  Harvest first while bean plants are dry so you don’t spread mildew, then water.  Wash your hands if you handle diseased plants, before you move on to other plants.

Disease & Pest Prevention

  • Ok, May is one of our mildew months.  Get out the nonfat powered milk, throw some in your planting hole.  Drench your plantlets, especially beans, melons and zucchini, while they are small, maybe every couple of weeks after that with ¼ Cup milk/Tablespoon baking soda mix, to a watering can of water.  Get it up under the leaves as well as on top.  That gives their immune system a boost, makes unhappy habitat for the fungi.
  •  Sluggo for snails/slugs –  put down immediately upon planting seeds, and when transplants are installed!  Remove tasty habitat and hiding places
  • Trap gophers (or do what you do) immediately before they have children
  • Spray off black and gray aphids, white flies – get up underneath broccoli leaves, in the curls of kale leaves.  Spray the heads of broc side shoots, fava flower heads.  Remove badly infested parts or plants. NO ANTS.
  • Leafminers – remove blotched areas of the leaf or remove infested leaves from chard, beets. Don’t let your plants touch each other.  Except for corn that needs to be planted closely to pollinate, plant randomly, biodiversely, rather than in blocks or rows.  If you are planting a six-pack, split it up, 3 and 3, or 2, 3, 1, in separate places in your garden.  Then if you get disease or pests in one group, they don’t get all your plants!  Crunch those orange and black shield bugs, and green and black cucumber beetles (in cucumber & zuch flowers).  Sorry little guys.
  • Plant year round habitat for beneficial insects, pollinators – lacewings, ladybird beetles, hover flies.  Let some arugula, broccoli, carrot, cilantro, mustards, parsley go to flower.  Plant Borage.  Bees love its beautiful edible blue star flowers, and they are lovely tossed on top of a cold crisp summer salad!

 Love your Garden, it will love you back!

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Powdery Mildew on Peas

Select powdery mildew resistant or tolerant varieties!

Cornell University’s lists of Disease Resistant Varieties

  • Longbeans
  • Green beans:  Provider, Merpatim, Parkit, Perkutut, Sriti
  • Cucumber: Diva, Cumlaude, Media F1.  Slicers:  Cornell’s list
  • Muskmelon:  Ambrosia F1, Primo (western type), Sun Jewel
  • Pea:
    • Ambassador – Resistant to powdery mildew, entation virus and fusarium wilt
    • Cavalier – Good resistance to powdery mildew.
    • Greenshaft – Resistant to downy mildew and fusarium wilt
    • Rondo – Resistant to fusarium wilt
    • Downy Mildew resistant peas:  Kelevdon Wonder, Oasis, Twinkle, Avola, Hurst Greenshaft, Ambassador, Cavalier and Peawee.
  • Pumpkin: 18 Karat Gold, Gladiator
  • Winter Squash:  almost all varieties
  • Yellow Summer Squash: Success, Sunray, Sunglo
  • Zucchini: Ambassador, Wildcat, Cornell’s list

Healthy Practices Make a Difference!

Plant in full sun!
Plant so leaves of one plant don’t touch another and spread the spores.
Remove any debris or dead leaves breeding habitat.
Remove and don’t compost infected leaves.  If  you don’t remove them, you reinfect your plant each time you water. 
Wash tools and your hands before you go from one plant to the next.
Water in the AM, at ground level.  No overhead watering.
BEFORE you have mildew, while your plants are still babies, drench the leaves with a baking soda/milk mix.  Tablespoon Soda, ¼ cup nonfat milk powder, drop of liquid dish detergent in a watering can.
Drench weekly with your mix.  But if you think you aren’t going to be able to get rid of the mildew, sadly, do the one cut prune.  Remove that plant so it won’t infect others – yours or your neighbors’.  Do this sooner than later.  Mildew is windborne, so the more mildew, the more is spread.

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Rainy Day Harvesting!

Anticipate! 

Fertilize before a rain so the fertilizer will soak in.
Take the cover off your compost to let it get wet.
Tie or stake plants that may topple from wind or weight.
Set up to harvest rainwater for later use! 
Make raised beds, mounds, to help with drainage issues.
Mulch to keep soil from splashing up on your plants, keeping your harvest clean, holding water in place to soak in, and keep soil from eroding.
Make ‘permanent’ pathways with boards, stepping stones, straw bedding, so you won’t be compacting your planting area soil when it is wet or dry!
Plant for air circulation so foliage dries quickly.  Plants too closely spaced, make a warmer micro environment, tend to get mildew easier.
Choose mildew resistant plants! 
Drench your young plants with a mix of a heaping tablespoon of baking soda, a 1/4 cup of nonfat (so it won’t rot and stink) powdered milk in a large watering can of water for mildew prevention and abatement.  It works for certain other diseases as well!
Water less frequently and at ground level, not overhead.

During a rainy period….

If you didn’t before, get out there in your rain gear and add some manure or fertilizer!  Great excuse to play in the rain!
Check frequently to see how your plants are doing.  Secure any tall plants, trellises that need it.
If a plant is too low and in standing water, raise it.  Put your shovel deep under it, put some filler soil underneath the shovel!  
Add more mulch if it has shifted or wasn’t quite deep enough to keep mud spatter from your plants.
Be sure your wormbox worms are not doing the backstroke!
Rebuild any drainage channel that has weakened, clear if clogged.
Make sure all your rain harvest system is working well.  Kudos to you for harvesting!
Practice arm-chair gardening!  Read garden books, magazines, browse web sites, buy some seeds from mail-order catalogs, design your new garden layout!
Get some seeds, soilless potting mix, gather containers with, or make, drainage holes.  Start some seeds!
If the rain is prolonged, uh, do an aphid, snail and slug check as frequently as you can.  Sluggo works on snails  and slugs even when it is wet.  Hard to believe, but, yes, it does.
If the rain is prolonged, do harvest your fresh and crunchy produce!  Lettuces will flourish!  Check on fast maturing broccoli and cauliflower heads to cut at peak maturity!  Gather your luscious strawberries.  Keep your peas picked to keep them coming!

After the rain!  YES! 

Do some thinning for air circulation as makes sense.  Often there is a growth spurt, and you can see where thinning is needed.
Repair areas where soil has washed away exposing roots.  Put some mulch on.
It’s often warmer after a rain, and it is the warmth that mildew loves!   Drench mildew susceptible plants with your mildew mix immediately, early in the day so your plants can dry.  If you prune mildewed areas off, remove those prunings, wash your hands and pruners before you go on to other plants.
Do what you do about snails and slugs.  Keep checking for aphids – blast them away with water or remove infested leaves.
There is often more gopher activity after rain has softened the soil, so be ready! 
In later days, after the rain, harvest first, water second!  That’s the rule to keep from spreading diseases spread by moisture.

Enjoy the superlative rapid growth of your very happy plants!

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A wet winter?  Dry winter?

If you think that might happen, excellent time to establish native plants and ground covers in your landscape, make raised beds in your veggie garden!  They don’t have to have a frame, in fact, you can ‘make more space’ by planting on the sloped sides, preventing erosion!  The plants that don’t like soggy feet, or would simply drown from too much water, will have excellent drainage.  You can make your ‘bed’ as small as a furrowed area, or make it two feet wide.  Either way, same result, drainage, less water molds and fungi, keeps oxygen your plants need in the soil.  Put a thick layer of pine needles, leaves, straw, something that will feed the soil, in the pathways.  That’s sustainable and your shoes won’t get muddy.  Re-layer as needed.    

Powdery Mildew is creeping right along…. 

Powdery Mildew on Peas

Hmph.  Powdery Mildew is windborne, and UC Davis IPM (Integrated Pest Management) says ‘Powdery mildews generally do not require moist conditions to establish and grow, and normally do well under warm conditions.  Good thing it’s getting cooler.  Ok.  So prevention, prevention, prevention.  A general home recipe is baking soda (sodium bicarbonate, 1 Tablespoon to a gallon, ¼ cup nonfat powdered milk, 1 teaspoon cooking oil (canola, soya, whatever), a drop or two of dishwash or soft soap (to disperse the oil and make it stick).  Spray or use a watering can whose spout can be turned so the water goes UP under the leaves.  Drench your plant, top to bottom so those inner bottom leaves get plenty of chances to get soaked.  The drips go into your soil, helping from there as well.  Do it on a sunny morning so your plants can dry well during the day. 

Please!  Be a good neighbor.  Prevent this common fungus, don’t let it blow into your neighbor’s veggies! 

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